Carriage-feed mechanism for type-writing machines.



No. 819,008. PATENTED APR. 24, 1906 E. FAHL.

CARRIAGE FEED MECHANISM FOR TYPE WRITING MACHINES.

APPLICATION FILED OCT.5.1904,

# BYE. Fahl,

FPAIEEN'E @Fl ltllit EUGENE FAHL, OF S'l. LOUlS, MISSOURI, ASSHIAIUR O1" ()h'll-ldlllllTll 'lU LEOXARD MA'llll lEWfi, OF ST. litll lr )llSrKllIhl.

Specification of Letters Patent..'

Patented April 24:, 1906.

Apvlicetion filed October 5.1904. Serial No. 227,195

To ITLZZ whom it may (ZIHIJfQTIlJ lion.

way of its length a pin 17, on which is ro-I Be it known that l, Brenna Faun, a ritizen oi the i'nited States, residing at the (it of St: Louis, State of Missouri, have invented a certain new and useful tarriage-leed Mei-hanisrn for Type-Writing Xlaehines, olwhit-h the following is sueha l'ull, clear. and exarl description as will enahle any one skilled in the art to which it appertains make and use the same, reierenee heing had to the zll'LUlll- )anying drawings, forinin L of this specification.

The ohjeet of my invention is to provide a carriage-feed mechanism for type-writing machines or the like which will be simple in construction, eon1paet,a nl reliable in opera- 1 accomplish these ohjeets h v (follihining the sprine-harrel and the eseape meehanisin so as to form prlu-tieally one deviee.

1n the aceompainring drawings, whieh illustrate a feedrneehanism made-in aeeordance with my invention, together with a portion oi the carriage of a t \'pe-w'i;itin machine, to which the same is applied, Figure l is a horizontal sectioln Figv 2 is a top plan View. Fig. 3 is a side xi :vation. Fig. is an end "iew; and Fig. Iris an enlarged view, partly in section, showing a detail oi eon-- struetion. 7

Like liitilhfi ol' rel'erenei' refer to similar parts in the several views of the drawings.

' 10 represents a portion of the l'ranie of a type-Writing machine. (.arried hy the l'ranle 10 are two guide-rods ll. Between these guide-rods 11 are situated the rear guidewheels 12 of the carriage l3. Secured to the carriage 13 is araek-har H. may all beef the usual eonstruetion.

Extending rearwardly'from the l'rame to is a bracket- 15, having an upward extension Carriedby the bracket-l5 ahout Iuidtatively lnountee the spring-barrel 18, Con-- ta'ined within the springharrel 18 is the spring; 19, whieh is secured at one end to the pin 17 and'at the other to the spring-harrel 18 by means of a pin 20, so that it will tendto rotate the barrel in the direetiltm oi the arrows in Figs. 1 and 'lhe springdmrrel 18 is provided at. or near its lower edgewilh s nr-teeth .21, whioh'mesh with the teeth of t 1e rack-bar 14, so that when the spring-harrel is rotated in the dirert-ion indiiated hy the arrows in Figs. 1 and 2 the carriage will These parts with the said teeth.

he fed toward the lel't-hand end of the ma enlne. lhe spi'ing-"lmrrel IN is also provided on its upper law with rali-lwt-teeth 22..

These ratehei-leeth 2') are so spat-ed that when the spring-lmrrel it is allowed to move' forward the distniu'e of one tooth the earriage ll) will he l'edloward the lel'l a distance livoted to equal to the width ol' one letter. the upper hiiurraled end oi the upright in h means ol :1 pin ll is an arm 25. The l'orward end ol' this arm is provided with a roller 2(l, whieh runs on a hnr 27. This har '27 is connected in an suitahle manner with the usual release-hey ol' the nnn-hine. 'lhe pivoted arm is provided with lugs '15, hetween \vhieh is pivoted a l'tlthlllg hair '25 This roelting har 12.) is provided with two paw'ls 3t) and 91, respectively. 'lhe pawl 30 is li.\'ed with respect to the rocking har and is prel erahly l'ormed integral therewith. The pawl 31, however, is movahle with respect to the rocking ha r, heing pivoted. h means ol' :1 pin SLhetw'een upwardly-exteniling lugs 33, earried hy the said liuhili f har. A guard 1H limits the movement ol the pawl I'll and said pawl is normally moved toward the guard I'll h lneansol' a sprin 35."), l ig. 5. The end ol the roeliing lever 2h adjarent to lhe pawl 3t) is eonnerled, h means ol' a rod Ill), with the usual universal har, so as to he actuated hy the key-liars or sparing-key ol the type-writin meehanism.

'lhe operation ol' my deviee will he apparenl. -\\'henever the rod Ill is drawn down: ward h v the operation of the keys of the maehine or the sparing-liar, the lever 2'.) will he rocked on its pivot, so as to withdraw the pawl Ill. from the teeth 2; and at the same iiiue'to hrin; the pawl Iii) into engagement rangedllmt the pawlBl) will enter well into engagement with the teeth 22' l elore the pawl ll is disengaged therefrom, and eonseqnently no movement of the spring-harrel will take place during; the downward movement ol' the rod 236. When, however, the key orspaein; har is released, the rod ill will more upwardly and swing the rot-hing lever hack into its lirst position. As soon, however, as the. roel in lever has heen moved to withdraw the pawl ill from the teeth 22 (his pawl will a sume tlu position shown in dotted lines in Fig; spring 35, and when the har 29 is rocked hack The parts are so arinto its-first position the pawl 30 will be with drawn from the teeth 22 and the spring-berrel will move under the influence of the spring 19, so as to move the pawl from the position shown in dotted lines in Fig 5 to that shown I claim as new, and desire to secure-by Lettors Patent 01" the United States, is

i. In a feed mechanism for typo-writers, the combination with a carriage, of a rack on said carriage, a rotary toothed member meshof said rotary member, an arm pivoted to swing tower and away from said rotary member to release the feed, connections for actuating said arm, wrecking bar pivoted to said mm, a pair of dogs carried by said roclo ing bar and coi'ipereting with said ratchetteeth to feed the carriage longitudinally for letterspecingz, one of sriid dogs having movement relative to said rocking bar, and connections for operating said rocking bar.

In s feed mechanism for tyyw-nvritcrs,

the combination with a carriage, of a rack on said carriage, e rotary toothed member moshing with said reek, ratchet-teeth on the face of said rotary member, an arm pivoted to swing toward and away from said rotary member to release the feed, connections for actuating said arm, & rochim bar pivoted to said arm substantially at right angles there to, a pair of dogs carried by said rocking bar and cooperating with said ratol1et-teeth to mgwith said rock, rntohet-teethon the face feed said carriage longitudinally for letterone of said dogs having movement relative to said rocking bar,' and connections for operat ng sand rocking hen 3. In e reed mechanism for type-writers, the combination with a carriage, of a rack on said carriage, a rotary toothed member meshing with said reek, ratchet-teeth on the face of said rotery member, an arm pivoted to swing toward and away from said rotary' member to release the feed, a movable memoer with which said arm makes running contact, e, rockin bar pivoted to said arm, a pair of dogs eerrieo by said rocking bar and coopersting with said rotehet-teeth to feed said carriage longitudinally for letter-spacing, one of said dogs having movement relative to said rocking bar, and connections for operating said rocking bar.

e. Ina feed mechanism for type-writers;

tliecombination with a carriage, 01 21 rack on said carriage, a. rotary toothed member meshing with said rack, ratchet-teeth on the face of said rotary member, an arm pivoted to swing toward and away from said rotary member to release the feed, a movable memher with which said arm makes'running contact, a rocking bar pivoted to said arm substantially at right angles thereto, a pair of dogs carried by said roc'king bar and coop: ereting with said ratchet-teeth to feed said carriage longitudinally for letter specin'g, one of ssid dogs having movement relative to said rocking bar, and connections for operating said rocking bar.

In testimony whereof I have hereunto set my hand and affixed my seal in the presence of'the two subscribing witnesses.

, EUGENE FAHL. [L. -s.] Witnesses:

D. C. BETJEMAN, JAMES H. BRYSON. 

